Terrace Street Chief of Staff is the most senior political appointee in the office of the Prime Minister, acting as a senior aide to the Prime Minister of Wiltshire. The holder of the office retains a highly powerful, non-ministerial position within the government of Wiltshire.
The current Chief of Staff is JP Beckett, a former minister under Audrick Hill's first government.
| Chief of Staff | Term in office | Party | Prime Minister | Government(s) |
|---|---|---|---|---|
| Josh Carrow | 19 July 3009 until 28 January 3010 | National Coalition | Jaresh Inyo | Jaresh Inyo Caretaker Ministry
Second Jaresh Inyo Ministry |
| Linda Martina | 28 January 3010 until 1 April 3010 | Socialist | Thomas Shore | Shore Ministry |
| Ned Waterloo | 1 April 3010 until 15 July 3010 | |||
| Josh Carrow | 15 July 3010 until 3 May 3011 | Conservative | Jaresh Inyo | Third Jaresh Inyo Ministry
Fourth Inyo Ministry |
| Karen Finch | 3 May 3011 until 1 June 3011 | |||
| Joel McCair | 1 June 3011 until 3 January 3013 | Edward Jellico | First Jellico Ministry | |
| George Hart | 3 January 3013 until 5 March 3013 | Second Jellico Ministry | ||
| Venessa Nesbitt | 5 March 3013 until 29 May 3013 | Socialist | Renly Stork | Stork Ministry |
| Walt Krussteg | 29 May 3013 until 4 November 3013 | Conservative | Martin Banks | First Banks Ministry |
| Samuel Vorr | 4 November 3013 until 9 January 3014 | Second Banks Ministry | ||
| Owen Lassiter | 9 January 3014 until 25 January 3015 | |||
| Samuel Vorr | 25 January 3015 until 18 August 3015 | David Loynd | First Loynd Ministry | |
| Second Loynd Ministry | ||||
| Morgan Morris | 18 August 3015 until 10 January 3016 | |||
| Third Loynd Ministry | ||||
| Jen Sternman | 10 January 3016 until 2 October 3018 | Socialist | Frank Eddington | First Eddington Ministry |
| Second Eddington Ministry | ||||
| Lior Boardman | 2 October 3018 until 1 January 3019 | Second Eddington Ministry | ||
| Gus Nixon | 1 January 3019 until 11 February 3019 | Conservative | Audrick Hill | First Hill Ministry |
| Second Hill Ministry | ||||
| Cynthia Mars | 11 February 3019 until 10 March 3019 | Samantha Schrำงder | Schrำงder Ministry | |
| Gus Nixon | 10 March 3019 until 12 April 3019 | |||
| Tim Gore | 12 April 3019 until 15 June 3019 | Labour | Rita Smith | Smith Ministry |
| Norman Walker | 15 June 3019 until 9 December 3019 | National | Fillmore Grey | Grey Ministry |
| Jim Balfour | Balfour Ministry | |||
| Independent | Ludwig Kohl | Kohl Caretaker Ministry | ||
| Henry Campbell-Trenneman | Campbell-Trenneman Ministry | |||
| Office vacant during NCR occupation | ||||
| Gus Nixon | 26 January 3020 until 21 June 3020 | Liberal Conservative | Audrick Hill | Third Hill Ministry |
| Toni Hart | 21 June 3020 until 20 September 3020 | Labour | Mark Edwin | Edwin Ministry |
| Lance Spielman | 20 September 3020 until 27 September 3020 | |||
| Gus Nixon | 21 June 3020 until 9 August 3021 | Liberal Conservative | Sonya Inyo | First Sonya Inyo Ministry |
| Second Sonya Inyo Ministry | ||||
| Sonya Inyo War Ministry | ||||
| Jake Simpson | Simpson War Ministry | |||
| Second Simpson Ministry | ||||
| Frannie Davison | 9 August 3021 until 14 September 3021 | Labour | Catherine Morgan | First Morgan Ministry |
| Phil Segal | 14 September 3021 until 20 November 3021 | Stability | Mitchell Crawley | First Crawley Ministry |
| Henry Karim | 20 November 3021 until 15 January 3022 | Second Crawley Ministry | ||
| Abigail Went | 15 January 3022 until 23 August 3022 | Third Crawley Ministry | ||
| Frannie Davison | 23 August 3022 until 24 September 3022 | Labour | Catherine Morgan | Second Morgan Ministry |
| Pedro Giordano | 24 September 3022 until 11 December 3022 | Stability | Mario Giordano | Giordano Ministry |
| Maebh Ardern | 11 December 3022 until 4 February 3023 | Grace Daines | Daines Ministry | |
| Tim Gore | 4 February 3023 until 18 August 3023 | Labour (Social Democrat) | Ramsay Bowell | Bowell Ministry |